Are you looking to work for a company that provides an innovative work environment, and your voice is heard?
We have a position for a Engineer - Model-Based Design Unit Testing.This role is based in Guadalajara Mexico.Who we are:LER TechForce is an industry leader in embedded controls, software, functional safety, and engineering talent.For over 20 years LER has been working with customers across North America.Follow us at: LER TechForce on LinkedIn.What you will be doing:- Engineer focused primarily on unit testing of model-based designs (Simulink), responsible for building and executing test strategies across MIL/SIL/PIL environments.
- This role is test-heavy, with secondary involvement in control model understanding and limited development support.
- The engineer ensures models are testable, verifiable, and compliant with quality standards such as ISO*****.
- Design and execute unit test cases for Simulink models.
- Review requirements for testability, completeness, and traceability.
- Develop and maintain MIL/SIL/PIL test frameworks and infrastructure.
- Build test harnesses using Simulink Test and MATLAB scripting.
- Validate control logic through structured simulation scenarios.




- Analyze test results, identify defects, and support root cause analysis.
- Collaborate with controls and system engineers to refine model/test interfaces.
- Support verification strategy development and continuous improvement.What you'll need to be successful:Essential:- MATLAB/Simulink - strong proficiency required.
- Simulink-based unit testing methodologies.
- Test design derived from requirements.
- Real-time embedded control concepts, including loop rates, state-based control logic, and initialization/reset behavior.
- Understanding of model-based design workflows (MIL/SIL/PIL).
- Ability to analyze and debug control models.Preferred:- Simulink Test Framework - test harness creation and management.
- MATLAB Unit Test Framework.
- MATLAB scripting for automation and regression testing.
- Simulink Coder - understanding generated code behavior.
- Experience with ISO***** functional safety processes.
- Basic familiarity with embedded C/C++ for traceability to generated code.
- Exposure to closed-loop simulation and plant modeling concepts.

📌 Model Base Design Unit Test Engineer (Lagos de Moreno)
🏢 LER TechForce
📍 Lagos de Moreno